SMTL ID : 1ay0.1

IDENTIFICATION OF CATALYTICALLY IMPORTANT RESIDUES IN YEAST TRANSKETOLASE

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

homo-dimer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 4 residues within 4Å: Chain A: D.157, N.187, I.189 Ligands: TPP.2 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:D.157, A:I.189 CA.3: 4 residues within 4Å: Chain B: D.157, N.187, I.189 Ligands: TPP.4 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:D.157, B:I.189

2 x TPP: THIAMINE DIPHOSPHATE(Non-covalent)

TPP.2: 21 residues within 4Å: Chain A: A.33, H.69, G.116, P.117, L.118, G.156, D.157, G.158, E.162, N.187, I.189, T.190, I.191, I.250 Chain B: D.382, I.416, E.418, F.445, Y.448, H.481 Ligands: CA.1 14 PLIP interactions: 4 interactions with chain B, 10 interactions with chain A Hydrophobic interactions: B:I.416, B:F.445, B:Y.448, A:I.191, A:I.191 pi-Stacking: B:F.445 Hydrogen bonds: A:G.116, A:L.118, A:D.157, A:D.157, A:G.158, A:E.162 Salt bridges: A:H.69, A:H.69 TPP.4: 23 residues within 4Å: Chain A: D.382, L.383, I.416, E.418, F.445, Y.448, H.481 Chain B: A.33, H.69, G.116, P.117, L.118, G.156, D.157, G.158, E.162, D.185, N.187, I.189, T.190, I.191, I.250 Ligands: CA.3 18 PLIP interactions: 12 interactions with chain B, 6 interactions with chain A Hydrophobic interactions: B:L.118, B:I.191, A:D.382, A:L.383, A:I.416, A:F.445, A:Y.448 Hydrogen bonds: B:G.116, B:L.118, B:D.157, B:G.158, B:E.162, B:D.185, B:N.187, B:I.189 Salt bridges: B:H.69, B:H.69 pi-Stacking: A:F.445

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wikner, C. et al., Identification of catalytically important residues in yeast transketolase. Biochemistry (1997)

Release Date

1998-05-13

Peptides

TRANSKETOLASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

TRANSKETOLASE